<!--
 * @Author: xiuquanxu
 * @Company: kaochong
 * @Date: 2020-12-16 16:06:39
 * @LastEditors: xiuquanxu
 * @LastEditTime: 2020-12-16 16:10:07
-->
<html>
    <meta charset="utf-8"/>
    <style>
        .bs {
            width: 2px;
            height: 2px;
            border-radius: 1px;
            box-shadow: 0px 0px 10px 10px red;
        }
    </style>
    <body>
        <div class="bs">

        </div>
    </body>
</html>